Home / 6,153.18-8,491.38-3,358.68

Finding the Fourth Proportional to 6,153.18, 8,491.38 and 3,358.68

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Solution

The fourth proportional to 6,153.18, 8,491.38 and 3,358.68 is: 4,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.18 : 8,491.38 = 3,358.68 : x
  2. Step 2: Convert to fraction form
    6,153.18/8,491.38 = 3,358.68/x
  3. Step 3: Cross multiply
    6,153.18x = 8,491.38 × 3,358.68
  4. Step 4: Simplify right side
    6,153.18x = 28,519,828.18
  5. Step 5: Solve for x
    x = 28,519,828.18/6,153.18
  6. Step 6: Final answer
    x = 4,634.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.